Copernicus
NASA’s high-fidelity trajectory design and optimization system for Earth, lunar, libration-point, and interplanetary missions.
OpenVSP
NASA’s open-source parametric aircraft geometry tool for conceptual design and engineering analysis.
SU2
An open-source multiphysics simulation and design suite for CFD, aerodynamic analysis, and shape optimization.
SPICE-enhanced Cosmographia
A free NASA/JPL mission-visualization application for SPICE-driven trajectories, attitudes, instruments, and observation geometry.
CesiumJS
An Apache-licensed JavaScript library for high-precision 3D globes, time-dynamic visualization, and geospatial web applications.
Astropy
The community-developed core Python package for astronomy, coordinates, time, units, tables, and scientific data.
PyKEP
ESA’s open research toolbox for interplanetary trajectory design, Lambert problems, and low-thrust optimization.
ESA SNAP
ESA’s open-source desktop platform and toolboxes for processing Sentinel and other Earth-observation data.
Orfeo ToolBox
An Apache-licensed toolkit from CNES for large-scale remote-sensing image processing in C++, Python, and command-line workflows.
QGIS
A free and open-source geographic information system widely used for Earth-observation and geospatial analysis.